*{
    margin: 0;
    padding: 0;
}
html,body{
    height: 100%;
}
a{
    text-decoration: none;
}
img{
    width: 50px;
    height: 50px;
}
.box{
height: 100%;
display: flex;
flex-direction: column;
}
.box1{
height: 60px;
background-color: rgb(84, 92, 100);
color: white;
display: flex;

line-height: 60px;
justify-content: space-between;
}
.box1-1{
    margin-left: 20px;
    font-size: 20px;
}
.box1-1:hover{
    color: rgb(207, 207, 207);
}
.box1-2{
    flex: 1;
    display: flex;
    margin-left: 450px;
    justify-content: space-around;
}
ul{
    list-style: none;
}
.li1{
    float: left;
    width: 50px;
    height: 58px;
    text-align: center;
}
.li1:active{
    background-color: rgb(67, 74, 80);
    color: rgb(255, 208, 75);
    border-bottom:2px solid rgb(255, 208, 75);
}
.box2{
flex: 1;
display:flex ;
}
.box2-1{
width: 200px;
height: 100%;
background-color: #e6e6e6;
}
.li2{
    color: black;
    font-size: 15px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
}
.li2:active{
    background-color: rgb(182, 213, 203);
}
.box2-2{
flex: 1;
display: flex;
flex-direction: column;
}
.top{
    width: 100%;
    height: 150px;
    background-color: rgba(0,0,0,.25);
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.top-1{
    width: 270px;
    height: 110px;
    background-color: aliceblue;
}
.top-1:hover{
    box-shadow: 0px 0px 20px gray;
}
.top-item{
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.top-1 .top-item p{
    font-size: 13px;
    padding-top: 10px;
    color: #a4a4a4;
}
.main{
    width: 100%;
    flex: 1;
    background-color: rgba(0,0,0,.25);
    display: flex;
   justify-content: space-around;
   flex-wrap: wrap;
}
.main-1{
   width: 47%;
   height: 500px;
   background-color: rgba(189, 189, 189, 0.25);
   border: 1px solid gray;
   margin-top: 20px;
}
.main-item1{
    display: flex;
    flex-direction: column;
    height: 47%;
}
.q1{
    margin-top: 30px;
}
.main-box1{
    height: 50px;
    line-height: 50px;
    background-color: white;
    border-bottom: 1px solid black;
}
.main-item2{
    width: 100%;
    height: 90%;
    display: flex;
    align-items: center;
    background-color: white;
    justify-content: space-around;
}
.main-box2{
    width: 20%;
    height: 100px;
    margin-top: 10px;
    background-color: #f8f9fa;
    text-align: center;
    line-height: 50px;
}
.main-box2:hover{
    background-color: #dadada;
}
.main-box3{
    width: 100%;
    height: 50%;
    background-color: white;
    display: flex;
    flex-direction: column;
}
.main-q1{
    width: 90%;
    height: 100px;
    margin: auto;
    border: 1px solid black;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.main-w1{
    width: 20%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: gray;
}
.main-w2 p{
    height: 50%;
    display: flex;
    align-items: center;
    padding-left: 10px;
    border-bottom: 1px solid black;
}
.main-w2 .e1{
    border-bottom: none;
}
.main-w2{
    width: 80%;
    height: 100%;
}
.main-box4{
    width: 100%;
    height: 90%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}
.main-w3{
    width: 90%;
    height: 90%;
}
tr{
    height: 50px;
}
#main{
    background-color: white;
}
